New research suggests that early humans in Africa interbred with a ghost population that likely split from the ancestors of humans and Neanderthals between 360,000 and 1.02 million years ago.

On this Valentine’s Day 2020, what the world of science suggests about the mystery we call love.

Protecting large animals such as elephants and whales, and large plants like the sequoias, has a disproportionate positive impact on the health of the planet and resilience to climate change.

Researchers concluded that even a contained nuclear conflict would take a toll on Earth’s oceans and potentially disrupt the human food web. “The impacts are huge,” a scientist said.

Are you a February baby? Here’s some cool info about your birthstone, the amethyst. Plus pics!

Every February 2, a weather-prognosticating groundhog in Pennsylvania tells us if we should expect 6 more weeks of winter or an early spring. Should we believe him? Phil’s track record here.